>s> Is it possible that you have a disk that is bigger than your bios rom >s> knows how to handle? >How can I tell if the BIOS is going to handle it? Well, if you needed to load a special driver to run DOS with the disk then the BIOS dowsn't handle it. Since you have less than 1024 cylinders on the disk I don't think this is the problem, though. Sorry I'm not of more help. Nathan